IBM Support

Security Bulletin: Vulnerability in OpenSSL affects Power Hardware Management Console (CVE-2021-3449).

Security Bulletin


Summary

OpenSSL is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVE.

Vulnerability Details

CVEID:   CVE-2021-3449
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in signature_algorithms processing. By sending a specially crafted renegotiation ClientHello message from a client, a remote attacker could exploit this vulnerability to cause the TLS server to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
HMC V9.2.950.0 V9.2.950.0

Remediation/Fixes

 

Remediation/Fixes

  The following fixes are available on IBM Fix Central at: http://www-933.ibm.com/support/fixcentral/

Product
VRMF
APAR
Remediation/Fix
Power HMC
V9.2.950.0 SP1 ppc
MB04285
Power HMC
      V9.2.950.0 SP1 x86_64
MB04284

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

21 June 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB08","label":"Cognitive Systems"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SGGSNP","label":"Hardware Management Console V9"},"ARM Category":[{"code":"a8m0z000000bowEAAQ","label":"Hardware Management Console"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

Document Information

Modified date:
22 September 2021

Initial Publish date:
21 June 2021

UID

ibm16465449

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